APLIKASI PROPORTIONAL NAVIGATION UNTUK SASARAN BERGERAK DAN KENDALI SUDUT PERKENAAN PADA BOM TERPANDU BERBASIS BOM BT-X PT.PINDAD
DOI:
https://doi.org/10.33172/tsj.v1i1.471Abstrak
Ketidakpresisian bom konvensional dalam mengenai sasaran sangat dipengaruhi oleh kemampuan pilot dan platform pembawa dalam memenuhi parameter-parameter pelepasan bom. Untuk meminimalisir ketidakpresisian tersebut, bom konvensional dilengkapi sistem pemandu dan kendali. Penelitian ini bertujuan membandingkan dua sistem pemandu Pure Proportional Navigation (PPN) dan Time-to-go Polynomial Guidance (TPG) pada proportional navigation untuk mengetahui sistem pemandu mana yang dapat mengenai sasaran bergerak dan kendali sudut perkenaan. Metode penelitian menggunakan solusi numerik dari ordinary differential equation (ODE) yang diaplikasikan dalam model dinamik koordinat Cartesian pada bidang dua dimensi. Bom terpandu direpresentasikan sebagai benda kaku di udara menggunakan persamaan titik bermassa dan dihubungkan pada kedua persamaan sistem pemandu. Dua sistem pemandu tersebut dibuat dan diaplikasikan menggunakan dua model dinamik pada Simulink. Pengulangan simulasi dilakukan untuk mempelajari perilaku kedua sistem model dinamik. Hasil penelitian menunjukkan model dinamik Time-to-go Polynomial Guidance (TPG) mampu mengenai sasaran bergerak dan kendali sudut perkenaan. Sedangkan, model dinamik Pure Proportional Navigation (PPN) hanya mampu mengenai sasaran bergerak. Nilai keakurasian sudut perkenaan TPG mendekati sudut yang diinginkan dengan presentase tertinggi dan terendah adalah 96% dan 76%. Nilai keakurasian sudut perkenaan semakin berkurang ketika kecepatan sasaran bergerak semakin tinggi.
Kata kunci: Bom Terpandu, Persamaan Titik Bermassa, dan Proportional Navigation.
Referensi
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